Chapter 4 Angles and Measurements

### Linear Pair

is a pair of adjacent angles whose noncommon sides form a straight angles (are opposite rays)

### Theorem 4.4

if one angle of a linear pair is a right angle, then the other angle is also a right angle

Chapter 4 Angles and Measurements

is a pair of adjacent angles whose noncommon sides form a straight angles (are opposite rays)

if one angle of a linear pair is a right angle, then the other angle is also a right angle

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